swap_horiz Protolenus Alternatives

1

Paradoxides davidis

Paradoxides davidis is a species of large trilobite that lived during the Middle Cambrian period, with fossils primarily...

Large British Cambrian Redlichiida

8.5 Great

2

Nevadella

Nevadella is a genus of olenellid trilobites from the Early Cambrian of western North America. Fossils assigned to the g...

Rare Nevada Primitive Cambrian

8.3 Great

3

Schmidtiellus

Schmidtiellus is a genus of trilobites known from Lower Cambrian rocks in Estonia and Scandinavia. It belongs to an earl...

Rare Scandinavia Primitive Redlichiida

8.1 Great

4

Daguinaspis

Daguinaspis is a genus of early trilobites known from Lower Cambrian rocks in Morocco. It belongs to an archaic group of...

Rare Morocco Primitive Redlichiida

7.7 Good

5

Serrodiscus

Serrodiscus is an extinct genus of small trilobites from the Early Cambrian, known from fossil material found in North A...

Tiny Serrated Primitive Redlichiida

7.7 Good

6

Olenellus

Olenellus is an extinct genus of early trilobite that lived during the Early Cambrian period. Fossils of this primitive...

North American Primitive Early Cambrian Olenellida

7.5 Good

7

Acadoparadoxides

Acadoparadoxides is an extinct genus of large trilobites belonging to the family Paradoxididae, existing during the Midd...

Large Moroccan Cambrian Redlichiida

7.5 Good

8

Ornamentaspis

Early Cambrian trilobite known from Gondwanan localities including Spain and Morocco, characterized by its distinctly or...

Rare Ornate Primitive Redlichiida

7.5 Good

9

Redlichia

Redlichia is an Early Cambrian trilobite genus recorded from Australia and Asia and assigned to the redlichiid trilobite...

Asian Gondwana Redlichiida Early Cambrian

7.0 Good

10

Fallotaspis

Fallotaspis is an extinct genus of redlichiid trilobites from the Early Cambrian. Fossils are known from Morocco and Nor...

Moroccan Primitive Redlichiida Early Cambrian

6.8 Fair

11

Eoredlichia

Eoredlichia is an extinct genus of redlichiid trilobites from the Early Cambrian. It is especially well documented in th...

Chinese Primitive Redlichiida Early Cambrian

6.8 Fair

12

Bathynotus

Bathynotus is a genus of early trilobites from the Cambrian Period. Fossils are known from South China and from rocks as...

Chinese Primitive Redlichiida Early Cambrian

6.5 Fair

13

Callavia

Callavia is a genus of olenellid trilobites from the early Cambrian Period. It is especially associated with Newfoundlan...

North American Primitive Redlichiida Early Cambrian

6.5 Fair

14

Holmia

Holmia is a genus of olenellid trilobites from the early Cambrian Period. It is particularly associated with Scandinavia...

Scandinavian Primitive Early Cambrian Olenellida

6.5 Fair

15

Eccaparadoxides

Eccaparadoxides is a genus of paradoxidid trilobites from the Cambrian Period. Its fossils are associated with peri-Gond...

Iberian Cambrian Redlichiida Zone Fossil

6.5 Fair

16

Wanneria

Wanneria is a genus of olenellid trilobites from the Early Cambrian period. Its fossils occur in North America and are a...

North American Primitive Early Cambrian Olenellida

6.2 Fair

17

Nephrolenellus

Nephrolenellus is an extinct genus of olenellid trilobites from the Early Cambrian of western North America. Its body pl...

North American Primitive Early Cambrian Olenellida

6.2 Fair

18

Kjerulfia

Kjerulfia is a genus of Early Cambrian trilobites known from lower Cambrian deposits in Norway and Sweden. It is associa...

Scandinavian Primitive Early Cambrian Olenellida

6.0 Fair

19

Mesonacis

Mesonacis is a genus of Early Cambrian olenellid trilobites known from North America and Greenland. It belongs to the or...

North American Primitive Redlichiida Early Cambrian

6.0 Fair

20

Hydrocephalus

Hydrocephalus is a genus of Cambrian trilobites described by Joachim Barrande in 1852. It is associated with the Barrand...

Bohemian Cambrian Redlichiida Paradoxididae

6.0 Fair